<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>admin</title>
	<style>
		*{ margin:0; padding:0}
		body, html{ height:100%; width:100%; overflow:hidden;} /*这个高度很重要*/
		#frametable .header{ height:40px; background:#ddd; border-bottom:2px solid #999;}
		#frametable .left{ width:150px; border-right:2px solid #999; background:#ddd; height:100%;}
	</style>
</head>
<body>
	<table id="frametable" cellpadding="0" cellspacing="0" width="100%" height="100%" style="width: 100%;">
	    <tr>
	        <td colspan="2" height="40">
	            <div class="header">
	                header menu<!-- header menu -->
	            </div>
	        </td>
	    </tr>
	    <tr>
	        <td valign="top" width="150" height="100%"> <!--这个高度很重要-->
	            <div class="left">left menu<!-- left menu --></div>
	        </td>
	        <td valign="top" width="100%" height="100%"> <!--这个高度很重要-->
	            <iframe id="iframe" name="main" src="http://baidu.com" width="100%" allowtransparency="true" width="100%" height="100%" frameborder="0" scrolling="yes" style="overflow:visible;"></iframe>
	        </td>
	    </tr>
	</table>
</body>
</html>